Convert strtotime() to DateTime object to fix 2038 roll-over issue.
Convert strtotime() to DateTime object to fix 2038 roll-over issue.

ch1c4um/pfsense,jxmx/pfsense,pfsense/pfsense,dennypage/pfsense,NewEraCracker/pfsense,dennypage/pfsense,NewEraCracker/pfsense,pfsense/pfsense,jxmx/pfsense,ch1c4um/pfsense,phil-davis/pfsense,jxmx/pfsense,NOYB/pfsense,dennypage/pfsense,ptorsten/pfsense,BlackstarGroup/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,brunostein/pfsense,pfsense/pfsense,phil-davis/pfsense,brunostein/pfsense,pfsense/pfsense,ch1c4um/pfsense,NOYB/pfsense,phil-davis/pfsense,dennypage/pfsense,BlackstarGroup/pfsense,ptorsten/pfsense,brunostein/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,NOYB/pfsense,BlackstarGroup/pfsense